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<pre><span class="sourceLineNo">001</span>/* ===========================================================<a name="line.1"></a>
<span class="sourceLineNo">002</span> * JFreeChart : a free chart library for the Java(tm) platform<a name="line.2"></a>
<span class="sourceLineNo">003</span> * ===========================================================<a name="line.3"></a>
<span class="sourceLineNo">004</span> *<a name="line.4"></a>
<span class="sourceLineNo">005</span> * (C) Copyright 2000-2011, by Object Refinery Limited and Contributors.<a name="line.5"></a>
<span class="sourceLineNo">006</span> *<a name="line.6"></a>
<span class="sourceLineNo">007</span> * Project Info:  http://www.jfree.org/jfreechart/index.html<a name="line.7"></a>
<span class="sourceLineNo">008</span> *<a name="line.8"></a>
<span class="sourceLineNo">009</span> * This library is free software; you can redistribute it and/or modify it<a name="line.9"></a>
<span class="sourceLineNo">010</span> * under the terms of the GNU Lesser General Public License as published by<a name="line.10"></a>
<span class="sourceLineNo">011</span> * the Free Software Foundation; either version 2.1 of the License, or<a name="line.11"></a>
<span class="sourceLineNo">012</span> * (at your option) any later version.<a name="line.12"></a>
<span class="sourceLineNo">013</span> *<a name="line.13"></a>
<span class="sourceLineNo">014</span> * This library is distributed in the hope that it will be useful, but<a name="line.14"></a>
<span class="sourceLineNo">015</span> * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY<a name="line.15"></a>
<span class="sourceLineNo">016</span> * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public<a name="line.16"></a>
<span class="sourceLineNo">017</span> * License for more details.<a name="line.17"></a>
<span class="sourceLineNo">018</span> *<a name="line.18"></a>
<span class="sourceLineNo">019</span> * You should have received a copy of the GNU Lesser General Public<a name="line.19"></a>
<span class="sourceLineNo">020</span> * License along with this library; if not, write to the Free Software<a name="line.20"></a>
<span class="sourceLineNo">021</span> * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,<a name="line.21"></a>
<span class="sourceLineNo">022</span> * USA.<a name="line.22"></a>
<span class="sourceLineNo">023</span> *<a name="line.23"></a>
<span class="sourceLineNo">024</span> * [Oracle and Java are registered trademarks of Oracle and/or its affiliates. <a name="line.24"></a>
<span class="sourceLineNo">025</span> * Other names may be trademarks of their respective owners.]<a name="line.25"></a>
<span class="sourceLineNo">026</span> *<a name="line.26"></a>
<span class="sourceLineNo">027</span> * ----------------<a name="line.27"></a>
<span class="sourceLineNo">028</span> * ChartEntity.java<a name="line.28"></a>
<span class="sourceLineNo">029</span> * ----------------<a name="line.29"></a>
<span class="sourceLineNo">030</span> * (C) Copyright 2002-2008, by Object Refinery Limited and Contributors.<a name="line.30"></a>
<span class="sourceLineNo">031</span> *<a name="line.31"></a>
<span class="sourceLineNo">032</span> * Original Author:  David Gilbert (for Object Refinery Limited);<a name="line.32"></a>
<span class="sourceLineNo">033</span> * Contributor(s):   Richard Atkinson;<a name="line.33"></a>
<span class="sourceLineNo">034</span> *                   Xavier Poinsard;<a name="line.34"></a>
<span class="sourceLineNo">035</span> *                   Robert Fuller;<a name="line.35"></a>
<span class="sourceLineNo">036</span> *<a name="line.36"></a>
<span class="sourceLineNo">037</span> * Changes:<a name="line.37"></a>
<span class="sourceLineNo">038</span> * --------<a name="line.38"></a>
<span class="sourceLineNo">039</span> * 23-May-2002 : Version 1 (DG);<a name="line.39"></a>
<span class="sourceLineNo">040</span> * 12-Jun-2002 : Added Javadoc comments (DG);<a name="line.40"></a>
<span class="sourceLineNo">041</span> * 26-Jun-2002 : Added methods for image maps (DG);<a name="line.41"></a>
<span class="sourceLineNo">042</span> * 05-Aug-2002 : Added constructor and accessors for URL support in image maps<a name="line.42"></a>
<span class="sourceLineNo">043</span> *               Added getImageMapAreaTag() - previously in subclasses (RA);<a name="line.43"></a>
<span class="sourceLineNo">044</span> * 05-Sep-2002 : Added getImageMapAreaTag(boolean) to support OverLIB for<a name="line.44"></a>
<span class="sourceLineNo">045</span> *               tooltips http://www.bosrup.com/web/overlib (RA);<a name="line.45"></a>
<span class="sourceLineNo">046</span> * 03-Oct-2002 : Fixed errors reported by Checkstyle (DG);<a name="line.46"></a>
<span class="sourceLineNo">047</span> * 08-Oct-2002 : Changed getImageMapAreaTag to use title instead of alt<a name="line.47"></a>
<span class="sourceLineNo">048</span> *               attribute so HTML image maps now work in Mozilla and Opera as<a name="line.48"></a>
<span class="sourceLineNo">049</span> *               well as Internet Explorer (RA);<a name="line.49"></a>
<span class="sourceLineNo">050</span> * 13-Mar-2003 : Change getImageMapAreaTag to only return a tag when there is a<a name="line.50"></a>
<span class="sourceLineNo">051</span> *               tooltip or URL, as suggested by Xavier Poinsard (see Feature<a name="line.51"></a>
<span class="sourceLineNo">052</span> *               Request 688079) (DG);<a name="line.52"></a>
<span class="sourceLineNo">053</span> * 12-Aug-2003 : Added support for custom image maps using<a name="line.53"></a>
<span class="sourceLineNo">054</span> *               ToolTipTagFragmentGenerator and URLTagFragmentGenerator (RA);<a name="line.54"></a>
<span class="sourceLineNo">055</span> * 02-Sep-2003 : Incorporated fix (791901) submitted by Robert Fuller (DG);<a name="line.55"></a>
<span class="sourceLineNo">056</span> * 19-May-2004 : Added equals() method and implemented Cloneable and<a name="line.56"></a>
<span class="sourceLineNo">057</span> *               Serializable (DG);<a name="line.57"></a>
<span class="sourceLineNo">058</span> * 29-Sep-2004 : Implemented PublicCloneable (DG);<a name="line.58"></a>
<span class="sourceLineNo">059</span> * 13-Jan-2005 : Fixed for compliance with XHTML 1.0 (DG);<a name="line.59"></a>
<span class="sourceLineNo">060</span> * 18-Apr-2005 : Use StringBuffer (DG);<a name="line.60"></a>
<span class="sourceLineNo">061</span> * 20-Apr-2005 : Added toString() implementation (DG);<a name="line.61"></a>
<span class="sourceLineNo">062</span> * ------------- JFREECHART 1.0.x ---------------------------------------------<a name="line.62"></a>
<span class="sourceLineNo">063</span> * 06-Feb-2007 : API doc update (DG);<a name="line.63"></a>
<span class="sourceLineNo">064</span> * 13-Nov-2007 : Reorganised equals(), implemented hashCode (DG);<a name="line.64"></a>
<span class="sourceLineNo">065</span> * 04-Dec-2007 : Added 'nohref' attribute in getImageMapAreaTag() method, to<a name="line.65"></a>
<span class="sourceLineNo">066</span> *               fix bug 1460195 (DG);<a name="line.66"></a>
<span class="sourceLineNo">067</span> * 04-Dec-2007 : Escape the toolTipText and urlText in getImageMapAreaTag() to<a name="line.67"></a>
<span class="sourceLineNo">068</span> *               prevent special characters corrupting the HTML (DG);<a name="line.68"></a>
<span class="sourceLineNo">069</span> * 05-Dec-2007 : Previous change reverted - let the tool tip and url tag<a name="line.69"></a>
<span class="sourceLineNo">070</span> *               generators handle filtering / escaping (DG);<a name="line.70"></a>
<span class="sourceLineNo">071</span> *<a name="line.71"></a>
<span class="sourceLineNo">072</span> */<a name="line.72"></a>
<span class="sourceLineNo">073</span><a name="line.73"></a>
<span class="sourceLineNo">074</span>package org.jfree.chart.entity;<a name="line.74"></a>
<span class="sourceLineNo">075</span><a name="line.75"></a>
<span class="sourceLineNo">076</span>import java.awt.Shape;<a name="line.76"></a>
<span class="sourceLineNo">077</span>import java.awt.geom.PathIterator;<a name="line.77"></a>
<span class="sourceLineNo">078</span>import java.awt.geom.Rectangle2D;<a name="line.78"></a>
<span class="sourceLineNo">079</span>import java.io.IOException;<a name="line.79"></a>
<span class="sourceLineNo">080</span>import java.io.ObjectInputStream;<a name="line.80"></a>
<span class="sourceLineNo">081</span>import java.io.ObjectOutputStream;<a name="line.81"></a>
<span class="sourceLineNo">082</span>import java.io.Serializable;<a name="line.82"></a>
<span class="sourceLineNo">083</span><a name="line.83"></a>
<span class="sourceLineNo">084</span>import org.jfree.chart.HashUtilities;<a name="line.84"></a>
<span class="sourceLineNo">085</span>import org.jfree.chart.imagemap.ToolTipTagFragmentGenerator;<a name="line.85"></a>
<span class="sourceLineNo">086</span>import org.jfree.chart.imagemap.URLTagFragmentGenerator;<a name="line.86"></a>
<span class="sourceLineNo">087</span>import org.jfree.io.SerialUtilities;<a name="line.87"></a>
<span class="sourceLineNo">088</span>import org.jfree.util.ObjectUtilities;<a name="line.88"></a>
<span class="sourceLineNo">089</span>import org.jfree.util.PublicCloneable;<a name="line.89"></a>
<span class="sourceLineNo">090</span><a name="line.90"></a>
<span class="sourceLineNo">091</span>/**<a name="line.91"></a>
<span class="sourceLineNo">092</span> * A class that captures information about some component of a chart (a bar,<a name="line.92"></a>
<span class="sourceLineNo">093</span> * line etc).<a name="line.93"></a>
<span class="sourceLineNo">094</span> */<a name="line.94"></a>
<span class="sourceLineNo">095</span>public class ChartEntity implements Cloneable, PublicCloneable, Serializable {<a name="line.95"></a>
<span class="sourceLineNo">096</span><a name="line.96"></a>
<span class="sourceLineNo">097</span>    /** For serialization. */<a name="line.97"></a>
<span class="sourceLineNo">098</span>    private static final long serialVersionUID = -4445994133561919083L;<a name="line.98"></a>
<span class="sourceLineNo">099</span><a name="line.99"></a>
<span class="sourceLineNo">100</span>    /** The area occupied by the entity (in Java 2D space). */<a name="line.100"></a>
<span class="sourceLineNo">101</span>    private transient Shape area;<a name="line.101"></a>
<span class="sourceLineNo">102</span><a name="line.102"></a>
<span class="sourceLineNo">103</span>    /** The tool tip text for the entity. */<a name="line.103"></a>
<span class="sourceLineNo">104</span>    private String toolTipText;<a name="line.104"></a>
<span class="sourceLineNo">105</span><a name="line.105"></a>
<span class="sourceLineNo">106</span>    /** The URL text for the entity. */<a name="line.106"></a>
<span class="sourceLineNo">107</span>    private String urlText;<a name="line.107"></a>
<span class="sourceLineNo">108</span><a name="line.108"></a>
<span class="sourceLineNo">109</span>    /**<a name="line.109"></a>
<span class="sourceLineNo">110</span>     * Creates a new chart entity.<a name="line.110"></a>
<span class="sourceLineNo">111</span>     *<a name="line.111"></a>
<span class="sourceLineNo">112</span>     * @param area  the area (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.112"></a>
<span class="sourceLineNo">113</span>     */<a name="line.113"></a>
<span class="sourceLineNo">114</span>    public ChartEntity(Shape area) {<a name="line.114"></a>
<span class="sourceLineNo">115</span>        // defer argument checks...<a name="line.115"></a>
<span class="sourceLineNo">116</span>        this(area, null);<a name="line.116"></a>
<span class="sourceLineNo">117</span>    }<a name="line.117"></a>
<span class="sourceLineNo">118</span><a name="line.118"></a>
<span class="sourceLineNo">119</span>    /**<a name="line.119"></a>
<span class="sourceLineNo">120</span>     * Creates a new chart entity.<a name="line.120"></a>
<span class="sourceLineNo">121</span>     *<a name="line.121"></a>
<span class="sourceLineNo">122</span>     * @param area  the area (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.122"></a>
<span class="sourceLineNo">123</span>     * @param toolTipText  the tool tip text (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.123"></a>
<span class="sourceLineNo">124</span>     */<a name="line.124"></a>
<span class="sourceLineNo">125</span>    public ChartEntity(Shape area, String toolTipText) {<a name="line.125"></a>
<span class="sourceLineNo">126</span>        // defer argument checks...<a name="line.126"></a>
<span class="sourceLineNo">127</span>        this(area, toolTipText, null);<a name="line.127"></a>
<span class="sourceLineNo">128</span>    }<a name="line.128"></a>
<span class="sourceLineNo">129</span><a name="line.129"></a>
<span class="sourceLineNo">130</span>    /**<a name="line.130"></a>
<span class="sourceLineNo">131</span>     * Creates a new entity.<a name="line.131"></a>
<span class="sourceLineNo">132</span>     *<a name="line.132"></a>
<span class="sourceLineNo">133</span>     * @param area  the area (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.133"></a>
<span class="sourceLineNo">134</span>     * @param toolTipText  the tool tip text (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.134"></a>
<span class="sourceLineNo">135</span>     * @param urlText  the URL text for HTML image maps (&lt;code&gt;null&lt;/code&gt;<a name="line.135"></a>
<span class="sourceLineNo">136</span>     *                 permitted).<a name="line.136"></a>
<span class="sourceLineNo">137</span>     */<a name="line.137"></a>
<span class="sourceLineNo">138</span>    public ChartEntity(Shape area, String toolTipText, String urlText) {<a name="line.138"></a>
<span class="sourceLineNo">139</span>        if (area == null) {<a name="line.139"></a>
<span class="sourceLineNo">140</span>            throw new IllegalArgumentException("Null 'area' argument.");<a name="line.140"></a>
<span class="sourceLineNo">141</span>        }<a name="line.141"></a>
<span class="sourceLineNo">142</span>        this.area = area;<a name="line.142"></a>
<span class="sourceLineNo">143</span>        this.toolTipText = toolTipText;<a name="line.143"></a>
<span class="sourceLineNo">144</span>        this.urlText = urlText;<a name="line.144"></a>
<span class="sourceLineNo">145</span>    }<a name="line.145"></a>
<span class="sourceLineNo">146</span><a name="line.146"></a>
<span class="sourceLineNo">147</span>    /**<a name="line.147"></a>
<span class="sourceLineNo">148</span>     * Returns the area occupied by the entity (in Java 2D space).<a name="line.148"></a>
<span class="sourceLineNo">149</span>     *<a name="line.149"></a>
<span class="sourceLineNo">150</span>     * @return The area (never &lt;code&gt;null&lt;/code&gt;).<a name="line.150"></a>
<span class="sourceLineNo">151</span>     */<a name="line.151"></a>
<span class="sourceLineNo">152</span>    public Shape getArea() {<a name="line.152"></a>
<span class="sourceLineNo">153</span>        return this.area;<a name="line.153"></a>
<span class="sourceLineNo">154</span>    }<a name="line.154"></a>
<span class="sourceLineNo">155</span><a name="line.155"></a>
<span class="sourceLineNo">156</span>    /**<a name="line.156"></a>
<span class="sourceLineNo">157</span>     * Sets the area for the entity.<a name="line.157"></a>
<span class="sourceLineNo">158</span>     * &lt;P&gt;<a name="line.158"></a>
<span class="sourceLineNo">159</span>     * This class conveys information about chart entities back to a client.<a name="line.159"></a>
<span class="sourceLineNo">160</span>     * Setting this area doesn't change the entity (which has already been<a name="line.160"></a>
<span class="sourceLineNo">161</span>     * drawn).<a name="line.161"></a>
<span class="sourceLineNo">162</span>     *<a name="line.162"></a>
<span class="sourceLineNo">163</span>     * @param area  the area (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.163"></a>
<span class="sourceLineNo">164</span>     */<a name="line.164"></a>
<span class="sourceLineNo">165</span>    public void setArea(Shape area) {<a name="line.165"></a>
<span class="sourceLineNo">166</span>        if (area == null) {<a name="line.166"></a>
<span class="sourceLineNo">167</span>            throw new IllegalArgumentException("Null 'area' argument.");<a name="line.167"></a>
<span class="sourceLineNo">168</span>        }<a name="line.168"></a>
<span class="sourceLineNo">169</span>        this.area = area;<a name="line.169"></a>
<span class="sourceLineNo">170</span>    }<a name="line.170"></a>
<span class="sourceLineNo">171</span><a name="line.171"></a>
<span class="sourceLineNo">172</span>    /**<a name="line.172"></a>
<span class="sourceLineNo">173</span>     * Returns the tool tip text for the entity.  Be aware that this text<a name="line.173"></a>
<span class="sourceLineNo">174</span>     * may have been generated from user supplied data, so for security<a name="line.174"></a>
<span class="sourceLineNo">175</span>     * reasons some form of filtering should be applied before incorporating<a name="line.175"></a>
<span class="sourceLineNo">176</span>     * this text into any HTML output.<a name="line.176"></a>
<span class="sourceLineNo">177</span>     *<a name="line.177"></a>
<span class="sourceLineNo">178</span>     * @return The tool tip text (possibly &lt;code&gt;null&lt;/code&gt;).<a name="line.178"></a>
<span class="sourceLineNo">179</span>     */<a name="line.179"></a>
<span class="sourceLineNo">180</span>    public String getToolTipText() {<a name="line.180"></a>
<span class="sourceLineNo">181</span>        return this.toolTipText;<a name="line.181"></a>
<span class="sourceLineNo">182</span>    }<a name="line.182"></a>
<span class="sourceLineNo">183</span><a name="line.183"></a>
<span class="sourceLineNo">184</span>    /**<a name="line.184"></a>
<span class="sourceLineNo">185</span>     * Sets the tool tip text.<a name="line.185"></a>
<span class="sourceLineNo">186</span>     *<a name="line.186"></a>
<span class="sourceLineNo">187</span>     * @param text  the text (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.187"></a>
<span class="sourceLineNo">188</span>     */<a name="line.188"></a>
<span class="sourceLineNo">189</span>    public void setToolTipText(String text) {<a name="line.189"></a>
<span class="sourceLineNo">190</span>        this.toolTipText = text;<a name="line.190"></a>
<span class="sourceLineNo">191</span>    }<a name="line.191"></a>
<span class="sourceLineNo">192</span><a name="line.192"></a>
<span class="sourceLineNo">193</span>    /**<a name="line.193"></a>
<span class="sourceLineNo">194</span>     * Returns the URL text for the entity.  Be aware that this text<a name="line.194"></a>
<span class="sourceLineNo">195</span>     * may have been generated from user supplied data, so some form of<a name="line.195"></a>
<span class="sourceLineNo">196</span>     * filtering should be applied before this "URL" is used in any output.<a name="line.196"></a>
<span class="sourceLineNo">197</span>     *<a name="line.197"></a>
<span class="sourceLineNo">198</span>     * @return The URL text (possibly &lt;code&gt;null&lt;/code&gt;).<a name="line.198"></a>
<span class="sourceLineNo">199</span>     */<a name="line.199"></a>
<span class="sourceLineNo">200</span>    public String getURLText() {<a name="line.200"></a>
<span class="sourceLineNo">201</span>        return this.urlText;<a name="line.201"></a>
<span class="sourceLineNo">202</span>    }<a name="line.202"></a>
<span class="sourceLineNo">203</span><a name="line.203"></a>
<span class="sourceLineNo">204</span>    /**<a name="line.204"></a>
<span class="sourceLineNo">205</span>     * Sets the URL text.<a name="line.205"></a>
<span class="sourceLineNo">206</span>     *<a name="line.206"></a>
<span class="sourceLineNo">207</span>     * @param text the text (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.207"></a>
<span class="sourceLineNo">208</span>     */<a name="line.208"></a>
<span class="sourceLineNo">209</span>    public void setURLText(String text) {<a name="line.209"></a>
<span class="sourceLineNo">210</span>        this.urlText = text;<a name="line.210"></a>
<span class="sourceLineNo">211</span>    }<a name="line.211"></a>
<span class="sourceLineNo">212</span><a name="line.212"></a>
<span class="sourceLineNo">213</span>    /**<a name="line.213"></a>
<span class="sourceLineNo">214</span>     * Returns a string describing the entity area.  This string is intended<a name="line.214"></a>
<span class="sourceLineNo">215</span>     * for use in an AREA tag when generating an image map.<a name="line.215"></a>
<span class="sourceLineNo">216</span>     *<a name="line.216"></a>
<span class="sourceLineNo">217</span>     * @return The shape type (never &lt;code&gt;null&lt;/code&gt;).<a name="line.217"></a>
<span class="sourceLineNo">218</span>     */<a name="line.218"></a>
<span class="sourceLineNo">219</span>    public String getShapeType() {<a name="line.219"></a>
<span class="sourceLineNo">220</span>        if (this.area instanceof Rectangle2D) {<a name="line.220"></a>
<span class="sourceLineNo">221</span>            return "rect";<a name="line.221"></a>
<span class="sourceLineNo">222</span>        }<a name="line.222"></a>
<span class="sourceLineNo">223</span>        else {<a name="line.223"></a>
<span class="sourceLineNo">224</span>            return "poly";<a name="line.224"></a>
<span class="sourceLineNo">225</span>        }<a name="line.225"></a>
<span class="sourceLineNo">226</span>    }<a name="line.226"></a>
<span class="sourceLineNo">227</span><a name="line.227"></a>
<span class="sourceLineNo">228</span>    /**<a name="line.228"></a>
<span class="sourceLineNo">229</span>     * Returns the shape coordinates as a string.<a name="line.229"></a>
<span class="sourceLineNo">230</span>     *<a name="line.230"></a>
<span class="sourceLineNo">231</span>     * @return The shape coordinates (never &lt;code&gt;null&lt;/code&gt;).<a name="line.231"></a>
<span class="sourceLineNo">232</span>     */<a name="line.232"></a>
<span class="sourceLineNo">233</span>    public String getShapeCoords() {<a name="line.233"></a>
<span class="sourceLineNo">234</span>        if (this.area instanceof Rectangle2D) {<a name="line.234"></a>
<span class="sourceLineNo">235</span>            return getRectCoords((Rectangle2D) this.area);<a name="line.235"></a>
<span class="sourceLineNo">236</span>        }<a name="line.236"></a>
<span class="sourceLineNo">237</span>        else {<a name="line.237"></a>
<span class="sourceLineNo">238</span>            return getPolyCoords(this.area);<a name="line.238"></a>
<span class="sourceLineNo">239</span>        }<a name="line.239"></a>
<span class="sourceLineNo">240</span>    }<a name="line.240"></a>
<span class="sourceLineNo">241</span><a name="line.241"></a>
<span class="sourceLineNo">242</span>    /**<a name="line.242"></a>
<span class="sourceLineNo">243</span>     * Returns a string containing the coordinates (x1, y1, x2, y2) for a given<a name="line.243"></a>
<span class="sourceLineNo">244</span>     * rectangle.  This string is intended for use in an image map.<a name="line.244"></a>
<span class="sourceLineNo">245</span>     *<a name="line.245"></a>
<span class="sourceLineNo">246</span>     * @param rectangle  the rectangle (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.246"></a>
<span class="sourceLineNo">247</span>     *<a name="line.247"></a>
<span class="sourceLineNo">248</span>     * @return Upper left and lower right corner of a rectangle.<a name="line.248"></a>
<span class="sourceLineNo">249</span>     */<a name="line.249"></a>
<span class="sourceLineNo">250</span>    private String getRectCoords(Rectangle2D rectangle) {<a name="line.250"></a>
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<span class="sourceLineNo">252</span>            throw new IllegalArgumentException("Null 'rectangle' argument.");<a name="line.252"></a>
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<span class="sourceLineNo">254</span>        int x1 = (int) rectangle.getX();<a name="line.254"></a>
<span class="sourceLineNo">255</span>        int y1 = (int) rectangle.getY();<a name="line.255"></a>
<span class="sourceLineNo">256</span>        int x2 = x1 + (int) rectangle.getWidth();<a name="line.256"></a>
<span class="sourceLineNo">257</span>        int y2 = y1 + (int) rectangle.getHeight();<a name="line.257"></a>
<span class="sourceLineNo">258</span>        //      fix by rfuller<a name="line.258"></a>
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<span class="sourceLineNo">260</span>            x2++;<a name="line.260"></a>
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<span class="sourceLineNo">262</span>        if (y2 == y1) {<a name="line.262"></a>
<span class="sourceLineNo">263</span>            y2++;<a name="line.263"></a>
<span class="sourceLineNo">264</span>        }<a name="line.264"></a>
<span class="sourceLineNo">265</span>        //      end fix by rfuller<a name="line.265"></a>
<span class="sourceLineNo">266</span>        return x1 + "," + y1 + "," + x2 + "," + y2;<a name="line.266"></a>
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<span class="sourceLineNo">268</span><a name="line.268"></a>
<span class="sourceLineNo">269</span>    /**<a name="line.269"></a>
<span class="sourceLineNo">270</span>     * Returns a string containing the coordinates for a given shape.  This<a name="line.270"></a>
<span class="sourceLineNo">271</span>     * string is intended for use in an image map.<a name="line.271"></a>
<span class="sourceLineNo">272</span>     *<a name="line.272"></a>
<span class="sourceLineNo">273</span>     * @param shape  the shape (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.273"></a>
<span class="sourceLineNo">274</span>     *<a name="line.274"></a>
<span class="sourceLineNo">275</span>     * @return The coordinates for a given shape as string.<a name="line.275"></a>
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<span class="sourceLineNo">281</span>        StringBuffer result = new StringBuffer();<a name="line.281"></a>
<span class="sourceLineNo">282</span>        boolean first = true;<a name="line.282"></a>
<span class="sourceLineNo">283</span>        float[] coords = new float[6];<a name="line.283"></a>
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<span class="sourceLineNo">288</span>                first = false;<a name="line.288"></a>
<span class="sourceLineNo">289</span>                result.append((int) coords[0]);<a name="line.289"></a>
<span class="sourceLineNo">290</span>                result.append(",").append((int) coords[1]);<a name="line.290"></a>
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<span class="sourceLineNo">293</span>                result.append(",");<a name="line.293"></a>
<span class="sourceLineNo">294</span>                result.append((int) coords[0]);<a name="line.294"></a>
<span class="sourceLineNo">295</span>                result.append(",");<a name="line.295"></a>
<span class="sourceLineNo">296</span>                result.append((int) coords[1]);<a name="line.296"></a>
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<span class="sourceLineNo">298</span>            pi.next();<a name="line.298"></a>
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<span class="sourceLineNo">300</span>        return result.toString();<a name="line.300"></a>
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<span class="sourceLineNo">302</span><a name="line.302"></a>
<span class="sourceLineNo">303</span>    /**<a name="line.303"></a>
<span class="sourceLineNo">304</span>     * Returns an HTML image map tag for this entity.  The returned fragment<a name="line.304"></a>
<span class="sourceLineNo">305</span>     * should be &lt;code&gt;XHTML 1.0&lt;/code&gt; compliant.<a name="line.305"></a>
<span class="sourceLineNo">306</span>     *<a name="line.306"></a>
<span class="sourceLineNo">307</span>     * @param toolTipTagFragmentGenerator  a generator for the HTML fragment<a name="line.307"></a>
<span class="sourceLineNo">308</span>     *     that will contain the tooltip text (&lt;code&gt;null&lt;/code&gt; not permitted<a name="line.308"></a>
<span class="sourceLineNo">309</span>     *     if this entity contains tooltip information).<a name="line.309"></a>
<span class="sourceLineNo">310</span>     * @param urlTagFragmentGenerator  a generator for the HTML fragment that<a name="line.310"></a>
<span class="sourceLineNo">311</span>     *     will contain the URL reference (&lt;code&gt;null&lt;/code&gt; not permitted if<a name="line.311"></a>
<span class="sourceLineNo">312</span>     *     this entity has a URL).<a name="line.312"></a>
<span class="sourceLineNo">313</span>     *<a name="line.313"></a>
<span class="sourceLineNo">314</span>     * @return The HTML tag.<a name="line.314"></a>
<span class="sourceLineNo">315</span>     */<a name="line.315"></a>
<span class="sourceLineNo">316</span>    public String getImageMapAreaTag(<a name="line.316"></a>
<span class="sourceLineNo">317</span>            ToolTipTagFragmentGenerator toolTipTagFragmentGenerator,<a name="line.317"></a>
<span class="sourceLineNo">318</span>            URLTagFragmentGenerator urlTagFragmentGenerator) {<a name="line.318"></a>
<span class="sourceLineNo">319</span><a name="line.319"></a>
<span class="sourceLineNo">320</span>        StringBuffer tag = new StringBuffer();<a name="line.320"></a>
<span class="sourceLineNo">321</span>        boolean hasURL = (this.urlText == null ? false<a name="line.321"></a>
<span class="sourceLineNo">322</span>                : !this.urlText.equals(""));<a name="line.322"></a>
<span class="sourceLineNo">323</span>        boolean hasToolTip = (this.toolTipText == null ? false<a name="line.323"></a>
<span class="sourceLineNo">324</span>                : !this.toolTipText.equals(""));<a name="line.324"></a>
<span class="sourceLineNo">325</span>        if (hasURL || hasToolTip) {<a name="line.325"></a>
<span class="sourceLineNo">326</span>            tag.append("&lt;area shape=\"" + getShapeType() + "\"" + " coords=\""<a name="line.326"></a>
<span class="sourceLineNo">327</span>                    + getShapeCoords() + "\"");<a name="line.327"></a>
<span class="sourceLineNo">328</span>            if (hasToolTip) {<a name="line.328"></a>
<span class="sourceLineNo">329</span>                tag.append(toolTipTagFragmentGenerator.generateToolTipFragment(<a name="line.329"></a>
<span class="sourceLineNo">330</span>                        this.toolTipText));<a name="line.330"></a>
<span class="sourceLineNo">331</span>            }<a name="line.331"></a>
<span class="sourceLineNo">332</span>            if (hasURL) {<a name="line.332"></a>
<span class="sourceLineNo">333</span>                tag.append(urlTagFragmentGenerator.generateURLFragment(<a name="line.333"></a>
<span class="sourceLineNo">334</span>                        this.urlText));<a name="line.334"></a>
<span class="sourceLineNo">335</span>            }<a name="line.335"></a>
<span class="sourceLineNo">336</span>            else {<a name="line.336"></a>
<span class="sourceLineNo">337</span>                tag.append(" nohref=\"nohref\"");<a name="line.337"></a>
<span class="sourceLineNo">338</span>            }<a name="line.338"></a>
<span class="sourceLineNo">339</span>            // if there is a tool tip, we expect it to generate the title and<a name="line.339"></a>
<span class="sourceLineNo">340</span>            // alt values, so we only add an empty alt if there is no tooltip<a name="line.340"></a>
<span class="sourceLineNo">341</span>            if (!hasToolTip) {<a name="line.341"></a>
<span class="sourceLineNo">342</span>                tag.append(" alt=\"\"");<a name="line.342"></a>
<span class="sourceLineNo">343</span>            }<a name="line.343"></a>
<span class="sourceLineNo">344</span>            tag.append("/&gt;");<a name="line.344"></a>
<span class="sourceLineNo">345</span>        }<a name="line.345"></a>
<span class="sourceLineNo">346</span>        return tag.toString();<a name="line.346"></a>
<span class="sourceLineNo">347</span>    }<a name="line.347"></a>
<span class="sourceLineNo">348</span><a name="line.348"></a>
<span class="sourceLineNo">349</span>    /**<a name="line.349"></a>
<span class="sourceLineNo">350</span>     * Returns a string representation of the chart entity, useful for<a name="line.350"></a>
<span class="sourceLineNo">351</span>     * debugging.<a name="line.351"></a>
<span class="sourceLineNo">352</span>     *<a name="line.352"></a>
<span class="sourceLineNo">353</span>     * @return A string.<a name="line.353"></a>
<span class="sourceLineNo">354</span>     */<a name="line.354"></a>
<span class="sourceLineNo">355</span>    public String toString() {<a name="line.355"></a>
<span class="sourceLineNo">356</span>        StringBuffer buf = new StringBuffer("ChartEntity: ");<a name="line.356"></a>
<span class="sourceLineNo">357</span>        buf.append("tooltip = ");<a name="line.357"></a>
<span class="sourceLineNo">358</span>        buf.append(this.toolTipText);<a name="line.358"></a>
<span class="sourceLineNo">359</span>        return buf.toString();<a name="line.359"></a>
<span class="sourceLineNo">360</span>    }<a name="line.360"></a>
<span class="sourceLineNo">361</span><a name="line.361"></a>
<span class="sourceLineNo">362</span>    /**<a name="line.362"></a>
<span class="sourceLineNo">363</span>     * Tests the entity for equality with an arbitrary object.<a name="line.363"></a>
<span class="sourceLineNo">364</span>     *<a name="line.364"></a>
<span class="sourceLineNo">365</span>     * @param obj  the object to test against (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.365"></a>
<span class="sourceLineNo">366</span>     *<a name="line.366"></a>
<span class="sourceLineNo">367</span>     * @return A boolean.<a name="line.367"></a>
<span class="sourceLineNo">368</span>     */<a name="line.368"></a>
<span class="sourceLineNo">369</span>    public boolean equals(Object obj) {<a name="line.369"></a>
<span class="sourceLineNo">370</span>        if (obj == this) {<a name="line.370"></a>
<span class="sourceLineNo">371</span>            return true;<a name="line.371"></a>
<span class="sourceLineNo">372</span>        }<a name="line.372"></a>
<span class="sourceLineNo">373</span>        if (!(obj instanceof ChartEntity)) {<a name="line.373"></a>
<span class="sourceLineNo">374</span>            return false;<a name="line.374"></a>
<span class="sourceLineNo">375</span>        }<a name="line.375"></a>
<span class="sourceLineNo">376</span>        ChartEntity that = (ChartEntity) obj;<a name="line.376"></a>
<span class="sourceLineNo">377</span>        if (!this.area.equals(that.area)) {<a name="line.377"></a>
<span class="sourceLineNo">378</span>            return false;<a name="line.378"></a>
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<span class="sourceLineNo">380</span>        if (!ObjectUtilities.equal(this.toolTipText, that.toolTipText)) {<a name="line.380"></a>
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<span class="sourceLineNo">383</span>        if (!ObjectUtilities.equal(this.urlText, that.urlText)) {<a name="line.383"></a>
<span class="sourceLineNo">384</span>            return false;<a name="line.384"></a>
<span class="sourceLineNo">385</span>        }<a name="line.385"></a>
<span class="sourceLineNo">386</span>        return true;<a name="line.386"></a>
<span class="sourceLineNo">387</span>    }<a name="line.387"></a>
<span class="sourceLineNo">388</span><a name="line.388"></a>
<span class="sourceLineNo">389</span>    /**<a name="line.389"></a>
<span class="sourceLineNo">390</span>     * Returns a hash code for this instance.<a name="line.390"></a>
<span class="sourceLineNo">391</span>     *<a name="line.391"></a>
<span class="sourceLineNo">392</span>     * @return A hash code.<a name="line.392"></a>
<span class="sourceLineNo">393</span>     */<a name="line.393"></a>
<span class="sourceLineNo">394</span>    public int hashCode() {<a name="line.394"></a>
<span class="sourceLineNo">395</span>        int result = 37;<a name="line.395"></a>
<span class="sourceLineNo">396</span>        result = HashUtilities.hashCode(result, this.toolTipText);<a name="line.396"></a>
<span class="sourceLineNo">397</span>        result = HashUtilities.hashCode(result, this.urlText);<a name="line.397"></a>
<span class="sourceLineNo">398</span>        return result;<a name="line.398"></a>
<span class="sourceLineNo">399</span>    }<a name="line.399"></a>
<span class="sourceLineNo">400</span><a name="line.400"></a>
<span class="sourceLineNo">401</span>    /**<a name="line.401"></a>
<span class="sourceLineNo">402</span>     * Returns a clone of the entity.<a name="line.402"></a>
<span class="sourceLineNo">403</span>     *<a name="line.403"></a>
<span class="sourceLineNo">404</span>     * @return A clone.<a name="line.404"></a>
<span class="sourceLineNo">405</span>     *<a name="line.405"></a>
<span class="sourceLineNo">406</span>     * @throws CloneNotSupportedException if there is a problem cloning the<a name="line.406"></a>
<span class="sourceLineNo">407</span>     *         entity.<a name="line.407"></a>
<span class="sourceLineNo">408</span>     */<a name="line.408"></a>
<span class="sourceLineNo">409</span>    public Object clone() throws CloneNotSupportedException {<a name="line.409"></a>
<span class="sourceLineNo">410</span>        return super.clone();<a name="line.410"></a>
<span class="sourceLineNo">411</span>    }<a name="line.411"></a>
<span class="sourceLineNo">412</span><a name="line.412"></a>
<span class="sourceLineNo">413</span>    /**<a name="line.413"></a>
<span class="sourceLineNo">414</span>     * Provides serialization support.<a name="line.414"></a>
<span class="sourceLineNo">415</span>     *<a name="line.415"></a>
<span class="sourceLineNo">416</span>     * @param stream  the output stream.<a name="line.416"></a>
<span class="sourceLineNo">417</span>     *<a name="line.417"></a>
<span class="sourceLineNo">418</span>     * @throws IOException  if there is an I/O error.<a name="line.418"></a>
<span class="sourceLineNo">419</span>     */<a name="line.419"></a>
<span class="sourceLineNo">420</span>    private void writeObject(ObjectOutputStream stream) throws IOException {<a name="line.420"></a>
<span class="sourceLineNo">421</span>        stream.defaultWriteObject();<a name="line.421"></a>
<span class="sourceLineNo">422</span>        SerialUtilities.writeShape(this.area, stream);<a name="line.422"></a>
<span class="sourceLineNo">423</span>     }<a name="line.423"></a>
<span class="sourceLineNo">424</span><a name="line.424"></a>
<span class="sourceLineNo">425</span>    /**<a name="line.425"></a>
<span class="sourceLineNo">426</span>     * Provides serialization support.<a name="line.426"></a>
<span class="sourceLineNo">427</span>     *<a name="line.427"></a>
<span class="sourceLineNo">428</span>     * @param stream  the input stream.<a name="line.428"></a>
<span class="sourceLineNo">429</span>     *<a name="line.429"></a>
<span class="sourceLineNo">430</span>     * @throws IOException  if there is an I/O error.<a name="line.430"></a>
<span class="sourceLineNo">431</span>     * @throws ClassNotFoundException  if there is a classpath problem.<a name="line.431"></a>
<span class="sourceLineNo">432</span>     */<a name="line.432"></a>
<span class="sourceLineNo">433</span>    private void readObject(ObjectInputStream stream)<a name="line.433"></a>
<span class="sourceLineNo">434</span>        throws IOException, ClassNotFoundException {<a name="line.434"></a>
<span class="sourceLineNo">435</span>        stream.defaultReadObject();<a name="line.435"></a>
<span class="sourceLineNo">436</span>        this.area = SerialUtilities.readShape(stream);<a name="line.436"></a>
<span class="sourceLineNo">437</span>    }<a name="line.437"></a>
<span class="sourceLineNo">438</span><a name="line.438"></a>
<span class="sourceLineNo">439</span>}<a name="line.439"></a>




























































</pre>
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